Panasonic KX-TMC40JX-W Service Manual page 25

Cross Reference:
Telephone Line Interface
SP-PHONE RX Circuit
NOTE:
Flash Memory are IC300 and IC306.
DSP is IC201.
6.7. Check Handset Voice Transmission
Cross Reference:
Handset TX Circuit ()
Telephone Line Interface
NOTE:
Flash Memory are IC300 and IC306.
DSP is IC201.
6.8. Check Handset Voice Reception
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